import java.util.Scanner;
//打印x图形
public class test {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        while(scan.hasNextInt()){
            int n = scan.nextInt();
            for (int i = 0; i < n; i++) {
                for (int j = 0; j < n; j++) {
                    if((i == j) || i+j == n-1){
                        System.out.print("*");
                    }else{
                        System.out.print(" ");
                    }

                }
                System.out.println();

                }
            }







    }
}
